It’s a quick, easy fix unlikely to give you liver disease or lung cancer, one of the reasons that the [Facebook] addiction may be so much more pervasive than traditionally harmful pastimes.

“With cigarettes and alcohol there are more costs – long-term as well as monetary – and the opportunity may not always be the right one. So, even though giving in to media desires is certainly less consequential, the frequent use may still ‘steal’ a lot of people’s time,” the study's lead researcher Wilhelm Hoffmann told The Guardian.